222373919 has 2 divisors, whose sum is σ = 222373920. Its totient is φ = 222373918.

The previous prime is 222373903. The next prime is 222373939. The reversal of 222373919 is 919373222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222373919 - 2⁴ = 222373903 is a prime.

It is a super-2 number, since 2×222373919² = 98900319702837122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222373939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111186959 + 111186960.

It is an arithmetic number, because the mean of its divisors is an integer number (111186960).

Almost surely, 2^222373919 is an apocalyptic number.

222373919 is a deficient number, since it is larger than the sum of its proper divisors (1).

222373919 is an equidigital number, since it uses as much as digits as its factorization.

222373919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 38.

The square root of 222373919 is about 14912.2070465776. The cubic root of 222373919 is about 605.8446585971.

The spelling of 222373919 in words is "two hundred twenty-two million, three hundred seventy-three thousand, nine hundred nineteen".